Schwendimann, René https://orcid.org/0000-0003-4804-1656
Blatter, Catherine
Lüthy, Marc
Mohr, Giulia
Girard, Thierry
Batzer, Siegfried
Davis, Erica
Hoffmann, Henry
Article History
Received: 22 October 2018
Accepted: 4 March 2019
First Online: 12 March 2019
Ethics approval and consent to participate
: Waived by the regional Ethics committee (EKNZ, REQ–2017–00372).
: Not applicable.
: The authors declare that they have no competing interests.
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